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Hidlo yn ôl (27 canlyniad, wedi trefnu yn ôl y diweddaraf)
Adroddiad thematig | 01/06/2015
pdf, 503.1 KB Added 01/06/2015
Adroddiad thematig | 01/05/2015
pdf, 513.03 KB Added 01/05/2015
Adroddiad thematig | 01/06/2013
pdf, 543.71 KB Added 01/06/2013
Adroddiad thematig | 01/07/2012
pdf, 861.7 KB Added 01/07/2012
Adroddiad thematig | 01/04/2010
pdf, 1002.66 KB Added 01/04/2010
Adroddiad thematig | 01/03/2010
pdf, 1.27 MB Added 01/03/2010